Home / 96,754,983.40-145,037,996.70-86,551,316.20

Finding the Fourth Proportional to 96,754,983.40, 145,037,996.70 and 86,551,316.20

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Solution

The fourth proportional to 96,754,983.40, 145,037,996.70 and 86,551,316.20 is: 129,742,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,754,983.40 : 145,037,996.70 = 86,551,316.20 : x
  2. Step 2: Convert to fraction form
    96,754,983.40/145,037,996.70 = 86,551,316.20/x
  3. Step 3: Cross multiply
    96,754,983.40x = 145,037,996.70 × 86,551,316.20
  4. Step 4: Simplify right side
    96,754,983.40x = 12,553,229,513,396,256
  5. Step 5: Solve for x
    x = 12,553,229,513,396,256/96,754,983.40
  6. Step 6: Final answer
    x = 129,742,459.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.